Research Article
Infrared Spectroscopic Characterization of Photoluminescent Polymer Nanocomposites
Table 1
Observed vibrational modes for picolinic acid [
28–
34].
| | Wavenumber (cm−1) | Modes of vibration |
| | 3112 | νCH (ring) | | | 3054 | νCH (ring) | | | 2591 | νOH (CO2H) | | | 1706 | νC=O (CO2H) | | | 1658 | νCH (ring) | | | 1606 | νCC (ring) | | | 1593 | νCC (ring) | | | 1572 | νCC (ring) | | | 1527 | νCC (ring) | | | 1453 | νCH (ring) | νCOO | | 1438 | νCC (ring) | | | 1339 | νCC (ring) | | | 1293 | δCH | | | 1250 | δCH | | | 1157 | δCH | | | 1083 | δCH | | | 1045 | δCH | | | 1008 | νCH (ring) | | | 995 | δCH | | | 965 | δCH | | | 836 | δCH | | | 821 | δCH | | | 800 | δCH | | | 764 | δCH | | | 750 | δCCC (ring) | | | 703 | δCCC (ring) | |
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